GB1495304A - Multiple wavelength optical filters - Google Patents

Multiple wavelength optical filters

Info

Publication number
GB1495304A
GB1495304A GB32246/75A GB3224675A GB1495304A GB 1495304 A GB1495304 A GB 1495304A GB 32246/75 A GB32246/75 A GB 32246/75A GB 3224675 A GB3224675 A GB 3224675A GB 1495304 A GB1495304 A GB 1495304A
Authority
GB
United Kingdom
Prior art keywords
phosphate
nitrate
chloride
compound
optical filters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB32246/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Optical Corp
Original Assignee
American Optical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Optical Corp filed Critical American Optical Corp
Publication of GB1495304A publication Critical patent/GB1495304A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/10Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce uniformly-coloured transparent products
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00Compositions for glass with special properties
    • C03C4/08Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00Compositions: ceramic
    • Y10S501/90Optical glass, e.g. silent on refractive index and/or ABBE number

Abstract

1495304 Optical filters AMERICAN OPTICAL CORP 1 Aug 1975 [1 Aug 1974] 32246/75 Heading C1M [Also in Division G2] A multi-wavelength optical filter for protection against laser radiation has added to a host glass (e.g. phosphate, lanthanum borate, fluoride, aluminosilicate, barium crown, dense flint, soda lime, or rubidium crown) sufficient Ce<SP>3+</SP> compound (e.g. chloride, nitrate or phosphate) to provide 0À1-5% Ce<SP>3+</SP> (on an oxide basis of the final glass), Er<SP>3+</SP> compound (chloride, nitrate or phosphate) to provide 25-75% Er<SP>3+</SP>, and Cu<SP>2+</SP> compound (chloride, nitrate, phosphate, acetate or bromide) to provide 0À5-10% Cu<SP>2+</SP>. The dopants may be included in a single host glass, or in two or three such glasses which are laminated together (e.g. by cementing).
GB32246/75A 1974-08-01 1975-08-01 Multiple wavelength optical filters Expired GB1495304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/493,587 US3960754A (en) 1974-08-01 1974-08-01 Multi-wavelength optical filter

Publications (1)

Publication Number Publication Date
GB1495304A true GB1495304A (en) 1977-12-14

Family

ID=23960860

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32246/75A Expired GB1495304A (en) 1974-08-01 1975-08-01 Multiple wavelength optical filters

Country Status (8)

Country Link
US (1) US3960754A (en)
JP (1) JPS5137663A (en)
CA (1) CA1061534A (en)
DE (1) DE2534526C2 (en)
FR (1) FR2280596A1 (en)
GB (1) GB1495304A (en)
IL (1) IL47726A (en)
NL (1) NL178782C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330630A (en) * 1976-09-03 1978-03-23 Ube Industries Method of manufacturing cement clinker
US4558093A (en) * 1984-04-30 1985-12-10 Hatzenbuhler John R Laser barrier
US5036025A (en) * 1990-10-02 1991-07-30 Hoya Optics Inc. Infrared absorbing green glass
US5541012A (en) * 1992-05-08 1996-07-30 Nippon Telegraph And Telephone Corporation Infrared-to-visible up-conversion material
JP2606775B2 (en) * 1992-11-12 1997-05-07 ティーディーケイ株式会社 Powder firing equipment
US5446007A (en) * 1994-05-10 1995-08-29 Schott Glass Technologies, Inc. Brown contrast enhancement glass
US5747397A (en) * 1996-11-04 1998-05-05 Bay Glass Research Optical glass
US6235666B1 (en) 1999-03-29 2001-05-22 Guardian Industries Corporation Grey glass composition and method of making same
US20070242336A1 (en) * 2006-02-20 2007-10-18 Vitaly Vodyanoy Applications for mixing and combining light utilizing a transmission filter, iris, aperture apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532386A (en) * 1949-09-27 1950-12-05 Corning Glass Works Colored phosphate glass
US2805166A (en) * 1954-01-18 1957-09-03 Loffler Johannes Glasses containing oxides of rare earth metals
US3726698A (en) * 1971-01-21 1973-04-10 Corning Glass Works Optical glass with controlled ultraviolet transmission

Also Published As

Publication number Publication date
CA1061534A (en) 1979-09-04
JPS5137663A (en) 1976-03-30
US3960754A (en) 1976-06-01
IL47726A (en) 1977-06-30
NL178782B (en) 1985-12-16
FR2280596A1 (en) 1976-02-27
FR2280596B1 (en) 1977-12-09
NL7509142A (en) 1976-02-03
DE2534526A1 (en) 1976-06-16
NL178782C (en) 1986-05-16
DE2534526C2 (en) 1986-03-27
IL47726A0 (en) 1975-10-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee